Customers PRODUCT Business Process Participants Information Technology
Dec 20, 2015
DEVELOPEMENT
RequirementsAnalysis
Analysis
Design
Implementation
Testing
Conversion
Maintenance
Traditional Development Model
PROTOTYPING
CUSTOMER
Sales
Orders
ProductionProduct design
Delivery ServiceActual andForecastedorders
Productdesign
SUPPLIER
Orders to supplier
PurchasedParts
Finished goods
FinishedGoods
Servicerequests
EquipmentPreferences
THE FIRM
Viewing businesses as systemsBusinesses as systems consisting of business processes
Viewing businesses as systemsValue Chain
for a “sit down” restaurant, not fast food...
Purchasefood
Storefood
SeatCustomer
Takeorders
CookFood
Servefood
Createbill
Receivepayment
Viewing businesses as systems• Business processes and functional areas
of businesses– The silo model
Viewing businesses as systems• Business processes and functional areas of businesses
– The silo model
Business Environment
Firm
Work System
InformationSystem
Information systems and work systems
• What kind of system?– Information system– Work system
InformationTechnology